
Document Number : 38-16007 Rev. *L Page 7 of 34
Application Examples
Figure 7. CYWUSB6932 Transmit-Only Battery-Powered Device
WUSB LS
Application MCU
IRQ
SPI
4
PD
RESET
Vcc
Vcc
LDO/
DC2DC
Battery
+
-
0.1μF
Buttons
Optical
Mouse
Sensor
13MHz
Crystal
10pF
3.3 V
RFOUT
PCB Trace
Inverted “F”
Antenna
(PIFA)
Figure 8. CYWUSB6934 USB Bridge Transceiver
Cypress
enCoRe™
USB MCU
WirelessUSB LS
13MHz
Cry s tal
Vcc
LDO
0.1μF
USB I/F
1.3K
D+/D-
2
RESET
IRQ
MISO
SCK
2.2K
MOSI
2.2K
1µF
0.1µF 4.7µF
3.3V
RFOUT
RFIN
5V
SS
PD
3.3 nH
PCB Trace Antenna
27 pF
2.2 nH
2.0 pF
1.2 pF
2.0 pF
Not Recommended for New Designs
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